The standard Phenom -300 seating configuration is 8, including the pilot.
Optional seating configurations:
Option 1: Up to 11 occupants with optional items such as the belted toilet and the 2-place divan.
Option 2: Up to 10 occupants with optional items such as the 7th* seat and the belted toilet.
*The 7th seat is a sideways bench-style seat located at the aft bulkhead, and is suitable for a cabin attendant.